Feature:1. Super Visibility: Brighter and more effective than standard LED strobe lights. In rain, fog and snow, you can easily see the bright yellow light.2. High Frequency Flash: Automatic stroboscopic when power on, the frequency of stroboscopic is about 90 times per minute.3. Feature: Need to distinguish between positive and negative, red connect to positive, black connect to negative.4. Material: ABS flame retardant material is used, high temperature resistance, corrosion resistance, not easy to deform.5. Wide Application: Suitable for security guard booths, gates, road tunnels, airports, construction sites, etc. as warning lights.Specification:Item Type: Warning Flashing LightMaterial: ABSModel: 05Color: YellowUses: For Security Guard Booths, Gates, Road Tunnels, Airports, Construction Sites, Etc.Strobe Frequency: About 90 Times/Minute.Package List:1 x Warning Flashing Light 2 x Base Plates1 x Double Sided Stickers4 x Screws2 x Expansion Tubes